GMC Sierra
6.2 V8 403hp · 2008 - 2013 · Ac Delco E38
Vehicle
GMC Sierra 6.2 V8 403hp
Catalog data for tuning potential, ECU type and available read methods.
ECU
Ac Delco E38
Engine control unit identified for this engine version.
Power
403 → 425 HP
+22 HP / +5%
Torque
565 → 585 Nm
+20 Nm / +4%
Engine
6.2 V8 403hp
Ac Delco E38
Fuel Type
Not specified
6.2 V8 403hp
Power
403 → 436 HP
+33 HP / +8%
Torque
565 → 615 Nm
+50 Nm / +9%
Engine
6.2 V8 403hp
Ac Delco E38
Fuel Type
Not specified
6.2 V8 403hp
Read Methods
Read Method
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Available Services
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Supported Services
Chip Tuning Stage 1, DTC Code Removal, Pops & Bangs Activation, Speed Limiter / VMAX Removal.